| 摘要 |
<p>The invention relates to a method of authentication of a user possessing a mobile apparatus at a server, comprising: ° reception (20) by the server of an authentication application request; ° dispatching (22) in response by the server of an image in the form of a matrix of pixels containing an encrypted code in the pixels, the code comprising at least one time stamp value; ° reception (24) of the image by the mobile apparatus and extraction (26) by the latter of the code; ° generation (28) by the mobile apparatus of a single-use password based at least on the code and a secret code held by the user; ° reception (30) by the server of the single-use password; and ° validation (32) of the password if the latter has at least been received within a predetermined span with respect to the time stamp value, complies with the code and corresponds at least to the user authenticating himself.</p> |
